| NuttX-5.19 |
| ---------- |
| |
| The 66th release of NuttX, Version 5.19, was made on March 12, 2011 |
| and is available for download from the SourceForge website. This |
| release includes several new features in various states of integration |
| and maturity: |
| |
| * 486SX QEMU port. This port supports the Intel 486SX architecture |
| using the QEMU simulator. Initial functionality is in place a |
| partially tested. There are still some outstanding issues with |
| timer interrupts. |
| * Platform specific application support. A new apps/ directory |
| appears in this port. This apps/ directory provides a mechanism |
| for applications using NuttX to have a highly customized |
| initialization process. It supports a set of end-user applications |
| than can be executed (1) standalone so you can have a fully |
| customized application startup, or (2) on top of NSH. Think |
| of it this way: In a buckled-up embedded application, your |
| end-user programs will probably have their own dedicated start-up |
| logic. But, during development, you might want to have you |
| applications available and executable from the NSH command line. |
| This apps/ add-on (and NSH hooks) was contributed by Uros to |
| accomplish just that. |
| * NSH was also extended to support application specific ROMFS |
| /etc/init.d/rcS start-up scripts. This feature, as well, as |
| all of the above-mentioned apps/ directory support was contributed |
| by Uros Platise |
| * Additional NSH improvements and bug fixes. See the Changelog |
| for details. |
| * This release also provides a new SLIP network driver. This |
| driver should support point-to-point network communications to |
| a host using TCP/IP or UDP. This driver is code complete, but |
| not tested in this release. |
| * New RAMTRON FRAM driver (contributed by Uros Platise) |
| * New generic 16550 UART driver. |
| * Cortex-M3 Power improvements: Waits for Interrupt (WFI) in idle |
| loop for reduced power consumption (LPC17xx and STM32 only - |
| contributed by Uros Platise)) |
| * New waitpid() system interface. |
| * Additional bugfixes: pipes, stdint.h, STM32 SDIO and SPI drivers |
